National Semiconductor Corp. (www.national.com) has unveiled the LP3950, reportedly the first color LED driver with audio synchronizer. With this feature, the color LEDs on the phone or MP3 player blink and change color in time with the music or ring tones. Offered in a 32-pin thin CSP package, the LP3950 also comes with two RGB LED outputs that can drive up to 300 mA for color LEDs or for camera flash LED. National Semiconductor has also introduced the LP3942 and LP3931 chips for handheld devices. Applications include cell phones, smart phones, global positioning systems, and personal digital assistants.
A bold, gold, open-air coupe may not be the ticket to automotive nirvana for every consumer, but Lexus’ LF-C2 concept car certainly turned heads at the recent Los Angeles Auto Show. What’s more, it may provide a glimpse of the luxury automaker’s future.
The complexity of diesel engines means optimizing their performance requires a large amount of experimentation. Computational fluid dynamics (CFD) is a very useful and intuitive tool in this, and cold flow analysis using CFD is an ideal approach to study the flow characteristics without going into the details of chemical reactions occurring during the combustion.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.